Table 1.

Characteristics of Patients with Different Severity of AP According to the 2012 Revised Atlanta Classification

	Mild (n=81)	Moderate Severe (n=117)	Severe (n=174)	P
Male, n (%)	41 (50.62)	74 (63.25)	116 (66.67)	0.081
Age, year	52.99±17.25	48.48±14.20	48.24±14.50	0.063
Fever, °C	36.70±0.53	36.82±0.60	36.94±0.72	0.028
HR, beats/min	90.13±18.86	102.23±23.55	112.54±24.12	<0.001
MAP, mmHg	100.03±14.95	98.58±13.84	100.00±16.06	0.724
RR, /min	20.86±2.46	22.90±4.92	23.85±5.17	<0.001
PaO2/Fi02	365.72±84.00	329.18±121.66	279.94±115.42	<0.001
WBC, 109/L	12.39±5.08	14.57±5.85	14.05±6.17	0.039
HB, g/L	130.59±21.26	132.31±21.29	133.85±34.16	0.702
HCT, %	37.80±5.06	38.48±5.53	39.35±8.60	0.270
PLT,109/L	175.86±75.28	176.86±80.88	173.36±89.92	0.945
TBIL, μmol/L	32.38±36.74	29.67±37.24	35.76±60.87	0.618
BUN, mmol/L	5.01±3.71	4.87±2.49	6.82±4.41	<0.001
ALB, mmol/L	39.73±5.86	36.29±7.07	34.07±6.13	<0.001
Cr, mmol/L	66.75±18.32	76.00±55.68	119.79±114.14	<0.001
PT, s	12.67±2.65	13.03±1.49	13.60±2.08	<0.001
D-Dimer	2.87±5.05	5.27±5.70	6.21±5.19	<0.001
AMY, U/L	357.34±518.33	351.84±408.29	614.59±698.38	<0.001
LIP, U/L	432.00±534.50	424.29±478.19	756.95±1270.26	0.006
Ca, mmol/L	2.16±0.19	2.05±0.28	1.95±0.30	<0.001
LAC, mmol/L	1.71±1.19	1.84±0.89	2.29±1.55	0.002
Balthazar grade *	2.43±0.87	3.91±0.54	4.85±0.55	<0.001
Marshall scores	1.01±0.95	1.41±1.14	2.57±1.75	<0.001
APACHE-II	6.01±3.32	6.59±3.37	8.62±4.15	<0.001
SOFA	2.36±1.75	2.76±1.78	4.37±2.47	<0.001
BISAP	1.37±0.83	1.76±0.89	2.18±0.91	<0.001
LOS in hospital†, day	11.63±7.19	13.25±7.10	20.81±15.94	<0.001

Notes: *Translated the Balthazar grade scale A to E into a point scale 1 to 5. ^†LOS in hospital, length of stay in hospital.